Datums for 8762419, U.S. HIGHWAY 51, PASS MANCHAC LA


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8762419, U.S. HIGHWAY 51, PASS MANCHAC, LA
Status: Superseded (Apr 17 2003) (Accepted Feb 4 1994)
Units: Feet
Control Station:
T.M.: 90
Epoch: 1960-1978
Datum: MLLW
DatumValueDescription
MHHW0.44Mean Higher-High Water
MHW0.43Mean High Water
MTL0.22Mean Tide Level
MSL0.22Mean Sea Level
DTL0.22Mean Diurnal Tide Level
MLW0.01Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD88
STND-3.17Station Datum
GT0.44Great Diurnal Range
MN0.42Mean Range of Tide
DHQ0.01Mean Diurnal High Water Inequality
DLQ0.01Mean Diurnal Low Water Inequality
HWIGreenwich High Water Interval (in hours)
LWIGreenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods




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